Run: 2026-04-24-01KQ0GDPB7E395W6JC62DEN7MT

Run Details

Model:
Claude Opus 4.7 (Reasoning)
Test:
Data extraction
Scenario:
Contextual pronoun
Duration:
1.2s
Cost:
$0.000585
Provider:
Amazon Bedrock

Evaluation summary

Score Evaluator
Details Link
Pass Matches text (details)
Pass Matches Regex (details)
no eval Overall

Model input

User/Human
Who does "he" refer to in the last sentence? Only return the name. Tom and Jerry were playing in the yard. Spike, the dog, was watching them from his kennel. Suddenly, he started barking loudly.

Model response

AI
Spike
created_at"2026-04-24T19:45:44.811Z" 4/24/2026, 7:45:44 PM
model"anthropic/claude-4.7-opus-20260416"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency996
moderation_latency(null)
generation_time1001
tokens_prompt51
tokens_completion2
native_tokens_prompt82
native_tokens_completion7
native_tokens_completion_images(null)
native_tokens_reasoning0
native_tokens_cached0
num_media_prompt(null)
num_input_audio_prompt(null)
num_media_completion0
num_search_results(null)
num_fetches(null)
web_search_engine(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"end_turn"
usage0.000585
router(null)
provider_responses
0
endpoint_id"0fa65117-00d9-4835-808d-9b68041d9ce4"
id"59fbac02-6ad3-4328-bf04-cbf82f13fb5a"
is_byokfalse
latency940
model_permaslug"anthropic/claude-4.7-opus-20260416"
provider_name"Amazon Bedrock"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.1; linux; x64))"
http_referer(null)
request_id"req-1777059944-ThuF7UcwgzCKS4r0mq3e"
session_id(null)
api_type"completions"
id"gen-1777059944-0mZRWCn6sFg3kXKmbzeO"
upstream_id"59fbac02-6ad3-4328-bf04-cbf82f13fb5a"
total_cost0.000585
cache_discount(null)
upstream_inference_cost0
provider_name"Amazon Bedrock"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
Pass Matches text
Case sensitive: Spike
 n/a
Pass Matches Regex
/\bSpike\b/
 n/a
no eval